No, Lucene doesn't support just updating a field in a document. You
must delete/re-add it as you suppose.

And you are correct, the UpdateDocument feature just conceals the
underlying delete/add functionality, it's not update-in-place.

Best
Erick

On 7/9/07, Sonu SR <[EMAIL PROTECTED]> wrote:

Hi,
My application using lucene index. The index documents having number of
fields. We have around 5 million such documents. I have problem with
regular
update of some of the fields in the document. So every update I need to
delete and index that updated documents. This is a huge task. I know from
version 2.1 lucene added update Document feature. But I think this is also
just like my process(first delete and index). Is lucene supports the
update
of particular fields only, like database? ie:- without deleting the
document

Thanks,
Sonu

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